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© 1998 - 2007 DH Instruments, a Fluke Company 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

©

 1998 - 2007 

DH Instruments, a Fluke Company

  All rights reserved. 

Information in this document is subject to change without notice.  No part of this document may be reproduced or transmitted in any 
form or by any means, electronic or mechanical, for any purpose, without the express written permission of 

DH Instruments, a 

Fluke Company 

4765 East Beautiful Lane  Phoenix  AZ  85044-5318  USA. 

DH Instruments 

makes sincere efforts to the ensure accuracy and quality of its’ published materials; however, no warranty, 

expressed or implied, is provided.  

DH Instruments 

disclaims any responsibility or liability for any direct or indirect damages 

resulting from the use of the information in this manual or products described in it.  Mention of any product does not constitute an 
endorsement by 

DH Instruments 

of that product.  This manual was originally composed in English and subsequently translated into 

other languages.  The fidelity of the translations cannot be guaranteed.  In case of conflict between the English version and other 
language versions, the English version takes precedence. 

DH Instruments

DH

DHI

, DH400 and VLI

 

are trademarks, registered and otherwise, of 

DH Instruments, a Fluke Company.

 

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550039a 
Printed in the USA. 

Summary of Contents for VLI

Page 1: ...1998 2007 DH Instruments a Fluke Company VLI Visible Level Interface Operation Maintenance Manual...

Page 2: ...plied is provided DH Instruments disclaims any responsibility or liability for any direct or indirect damages resulting from the use of the information in this manual or products described in it Menti...

Page 3: ...TS S TABLE OF CONTENTS I 1 INTRODUCTION 1 1 1 PRODUCT OVERVIEW 1 1 2 OPERATING PRINCIPLE 1 1 3 COMPONENT LOCATION 1 2 INSTALLATION 3 2 1 UNPACKING AND INSPECTION 3 2 2 INITIAL SETUP 3 2 3 OPERATION 4...

Page 4: ...VLI OPERATION MAINTENANCE MANUAL 1998 2007 DH Instruments a Fluke Company Page II N NO OT TE ES S...

Page 5: ...same as the medium used by the test Max working pressure of VLI P N 100693 is 100 MPa 15 000 psi 1 2 OPERATING PRINCIPLE This component interfaces two pressure media in a high pressure chamber Using...

Page 6: ...VLI OPERATION MAINTENANCE MANUAL 1998 2007 DH Instruments a Fluke Company Page 2 N NO OT TE ES S...

Page 7: ...the connecting hardware are clean and free of contamination Connect the VLI to the standard using the connecting hardware supplied If the piston gauge medium has the greater density the connection sho...

Page 8: ...volume can be adjusted to fine tune the interface reference level Again unless the fluid temperature or the volumes change the level will stay the same Decreasing pressure is achieved by releasing ga...

Page 9: ...NCE Page 5 1998 2007 DH Instruments a Fluke Company 3 3 M MA AI IN NT TE EN NA AN NC CE E No special maintenance requirements are necessary for the VLI Attention to cleanliness in the system is the on...

Page 10: ...VLI OPERATION MAINTENANCE MANUAL 1998 2007 DH Instruments a Fluke Company Page 6 N NO OT TE ES S...

Page 11: ...ANNEX Page 7 1998 2007 DH Instruments a Fluke Company A AN NN NE EX X...

Page 12: ...VLI OPERATION MAINTENANCE MANUAL 1998 2007 DH Instruments a Fluke Company Page 8...

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